Analysis Overview
SHA256
399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2
Threat Level: Likely malicious
The file 399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2 was found to be: Likely malicious.
Malicious Activity Summary
Blocklisted process makes network request
Executes dropped EXE
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Adds Run key to start application
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Program Files directory
Unsigned PE
Runs ping.exe
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 07:14
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 07:14
Reported
2024-05-07 07:17
Platform
win7-20240220-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qczzp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qczzp.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\mumlltpsm\\dprgz.dll\",Verify" | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\q: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\y: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\p: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\n: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\o: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\u: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\h: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\e: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\g: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\j: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\l: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\m: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\s: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\t: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\b: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\v: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\i: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\k: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\r: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\w: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\x: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\z: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\a: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Program Files\mumlltpsm | C:\Users\Admin\AppData\Local\Temp\qczzp.exe | N/A |
| File created | \??\c:\Program Files\mumlltpsm\dprgz.dll | C:\Users\Admin\AppData\Local\Temp\qczzp.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qczzp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe
"C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qczzp.exe "C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\qczzp.exe
C:\Users\Admin\AppData\Local\Temp\\qczzp.exe "C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe"
\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\Program Files\mumlltpsm\dprgz.dll",Verify C:\Users\Admin\AppData\Local\Temp\qczzp.exe
Network
| Country | Destination | Domain | Proto |
| US | 110.34.196.36:803 | tcp | |
| US | 110.34.196.36:803 | tcp | |
| US | 110.34.196.34:3204 | tcp | |
| US | 110.34.196.35:805 | tcp | |
| US | 110.34.196.35:805 | tcp | |
| US | 110.34.196.35:805 | tcp | |
| US | 110.34.196.35:805 | tcp | |
| US | 110.34.196.34:3204 | tcp | |
| US | 110.34.196.34:3204 | tcp | |
| US | 110.34.196.34:3204 | tcp |
Files
memory/2496-0-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2496-2-0x0000000000400000-0x0000000000464000-memory.dmp
memory/3036-9-0x0000000000400000-0x0000000000464000-memory.dmp
memory/1320-8-0x0000000000190000-0x00000000001F4000-memory.dmp
memory/1320-7-0x0000000000190000-0x00000000001F4000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\qczzp.exe
| MD5 | 4b0cbc710f0657e76ab511132d72dd8d |
| SHA1 | 4591d6db054ca9919f0d4e5fd66d9357eafd6b78 |
| SHA256 | ba2ba7b22d8229c188522b54d07ed3d6915e14e468fc5a1b879f1d8d7d4b7c35 |
| SHA512 | 69486a98da468cf68945ca4baddff71acabd137a1628035bd5fd73ee45dcdd382713a214faa0518c4d9262f8b044c46d74986fceec4d03c668fa53e28dcb0432 |
\Program Files\mumlltpsm\dprgz.dll
| MD5 | eee605772987be435566d9b7461ad9cc |
| SHA1 | e5ecf62c599adb531da370d2914b26ac07c75be2 |
| SHA256 | cc1c04aabd0dba7572a55f052a077190846a60b91200e47a38b5f56fe9f6a0be |
| SHA512 | 8e079d14926e31a907f3fd110c71c208a0017a495c284254e57f4e39204ba8aa2c5b26bb1e020bde712260bcba7c47e4c40c4ea440c8a3f07a643bc952688260 |
memory/2672-21-0x0000000010000000-0x0000000010080000-memory.dmp
memory/2672-20-0x0000000010000000-0x0000000010080000-memory.dmp
memory/2672-19-0x0000000010000000-0x0000000010080000-memory.dmp
memory/2672-18-0x0000000010000000-0x0000000010080000-memory.dmp
memory/2672-17-0x0000000010000000-0x0000000010080000-memory.dmp
memory/3036-11-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2672-23-0x0000000010000000-0x0000000010080000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 07:14
Reported
2024-05-07 07:17
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
139s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qmjqd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qmjqd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\fhuqy\\sdsvt.dll\",Verify" | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\h: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\p: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\q: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\r: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\z: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\a: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\n: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\o: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\u: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\v: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\w: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\y: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\l: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\i: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\j: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\k: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\s: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\t: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\x: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\b: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\m: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\g: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | \??\c:\Program Files\fhuqy\sdsvt.dll | C:\Users\Admin\AppData\Local\Temp\qmjqd.exe | N/A |
| File opened for modification | \??\c:\Program Files\fhuqy | C:\Users\Admin\AppData\Local\Temp\qmjqd.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qmjqd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe
"C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qmjqd.exe "C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\qmjqd.exe
C:\Users\Admin\AppData\Local\Temp\\qmjqd.exe "C:\Users\Admin\AppData\Local\Temp\399ad2d4276388eace22cfbb5ab5083a1ceb04ed268b539efaeab80750a992b2.exe"
\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\Program Files\fhuqy\sdsvt.dll",Verify C:\Users\Admin\AppData\Local\Temp\qmjqd.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.136.73.23.in-addr.arpa | udp |
| GB | 23.73.138.57:443 | www.bing.com | tcp |
| US | 110.34.196.36:803 | tcp | |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.138.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 110.34.196.34:3204 | tcp | |
| US | 110.34.196.35:805 | tcp | |
| US | 110.34.196.35:805 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 110.34.196.35:805 | tcp | |
| US | 110.34.196.34:3204 | tcp | |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 52.111.227.11:443 | tcp | |
| US | 110.34.196.34:3204 | tcp | |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 110.34.196.34:3204 | tcp |
Files
memory/812-0-0x0000000000400000-0x0000000000464000-memory.dmp
memory/812-2-0x0000000000400000-0x0000000000464000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\qmjqd.exe
| MD5 | 9382de433d754d7bf90606ab0e4f9e10 |
| SHA1 | a0dc6a85094427c96247231db9e3bc37086d31ad |
| SHA256 | d7cb5c8d8bdc984438a50a0021a6c031f6fb8dd160ea7954c377d98da2e81f93 |
| SHA512 | 87388127e3bf2ce3dca7828e5671241b25f2630ebbf856304acd468f6e4802e13222e7aa75bca7c5b4a170855df99f93c4dff9d6bba699f5342193e4753c9622 |
memory/3944-6-0x0000000000400000-0x0000000000464000-memory.dmp
memory/3944-8-0x0000000000400000-0x0000000000464000-memory.dmp
C:\Program Files\fhuqy\sdsvt.dll
| MD5 | 5dc74511078ee7d135e0f8c57882dc8f |
| SHA1 | c0ef43cc42219f96e3765cd6d4be3f09058104ff |
| SHA256 | 5fef57ac37033bd49f0a2d7a21e6aa09e20ff8f7c2686c9b18027b24e40286a4 |
| SHA512 | 7ed27c0d5e44f3f2cd7819ef533ca8f3052245ce1053f0f512d6b3e90eb34817dfc27dc18ec21e3d89a6a261d63179b85be7a173166600e8d07903042439dbdc |
memory/2000-11-0x0000000010000000-0x0000000010080000-memory.dmp
memory/2000-12-0x0000000010000000-0x0000000010080000-memory.dmp
memory/2000-14-0x0000000010000000-0x0000000010080000-memory.dmp